12157866010 has 32 divisors (see below), whose sum is σ = 23366724480. Its totient is φ = 4543522368.

The previous prime is 12157865983. The next prime is 12157866023. The reversal of 12157866010 is 1066875121.

It is a super-2 number, since 2×12157866010² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 604765 + ... + 624544.

It is an arithmetic number, because the mean of its divisors is an integer number (730210140).

Almost surely, 2^12157866010 is an apocalyptic number.

12157866010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12157866010 is a deficient number, since it is larger than the sum of its proper divisors (11208858470).

12157866010 is a wasteful number, since it uses less digits than its factorization.

12157866010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229382.

The product of its (nonzero) digits is 20160, while the sum is 37.

The spelling of 12157866010 in words is "twelve billion, one hundred fifty-seven million, eight hundred sixty-six thousand, ten".